利用者:よSよS~jawiki/練習用ページ

$e^{x}=\sum _{n=0}^{\infty }{\frac {x^{n}}{n!}}=1+x+{\frac {x^{2}}{2!}}+{\frac {x^{3}}{3!}}+{\frac {x^{4}}{4!}}+\cdots$

$\backsimeq 1+x+{\frac {x^{2}}{2!}}+{\frac {x^{3}}{3!}}$

$V={\cfrac {V_{+}-V_{-}}{2}}$

$I=I_{0}e^{-\mu (E_{\gamma })x}$

$A=\log _{10}{\frac {I_{0}}{I}}$

$A=K\cdot c\cdot l$

${\frac {d^{2}x}{dt^{2}}}+\omega _{0}{\frac {dx}{dt}}=f\cos \omega t$

${\epsilon _{v}}={\frac {V_{out}}{V_{in}}}={\frac {T_{on}}{T_{s}}}=D$

$\eta ={\frac {V_{out}*I_{out}}{V_{in}*I_{out}}}$

$I_{out}={\frac {V_{1}}{R_{1}}}$

$Z_{C}={\frac {1}{2{\pi }fC}},Z_{L}=2{\pi }fL$

$y=-11.029x-0.0791$

<math> -\frac{R_f}{R_s}=-\frac{10}{1}=-10